145866042 has 48 divisors (see below), whose sum is σ = 377075520. Its totient is φ = 41675256.

The previous prime is 145866041. The next prime is 145866079. The reversal of 145866042 is 240668541.

145866042 is a `hidden beast` number, since 1 + 45 + 8 + 6 + 604 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145865988 and 145866006.

It is not an unprimeable number, because it can be changed into a prime (145866041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24918 + ... + 30209.

It is an arithmetic number, because the mean of its divisors is an integer number (7855740).

Almost surely, 2^145866042 is an apocalyptic number.

145866042 is an abundant number, since it is smaller than the sum of its proper divisors (231209478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145866042 is a wasteful number, since it uses less digits than its factorization.

145866042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55152 (or 55139 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 145866042 is about 12077.5014800247. The cubic root of 145866042 is about 526.4026491869.

The spelling of 145866042 in words is "one hundred forty-five million, eight hundred sixty-six thousand, forty-two".